package com.itheima.reggie.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import com.itheima.reggie.common.JacksonObjectMapper;
import com.itheima.reggie.controller.interceptor.ProjectInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

@Slf4j
@Configuration
@EnableKnife4j
@EnableSwagger2
//public class WebMvcConfig extends WebMvcConfigurationSupport {
public class WebMvcConfig implements WebMvcConfigurer {
//    @Autowired
//    private ProjectInterceptor projectInterceptor;

    /**
     * 添加拦截器
     *
     * @param registry
     */
/*    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        //排除以下路径请求
        registry.addInterceptor(projectInterceptor).excludePathPatterns("/employee/login","/employee/login","/backend/**");
    }*/

    /**
     * 设置静态资源映射
     *
     * @param registry
     */
/*    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("静态资源映射..");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }*/
    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器");
        //创建消息转化器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器,底层使用Jackson将java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将消息转换器对象添加到mvc框架的转换器集合中
        converters.add(0, messageConverter);
    }

    @Bean(value = "defaultApi2")
    public Docket defaultApi2() {
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.itheima.reggie.controller"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("瑞吉外卖")
                .version("1.0")
                .description("瑞吉外卖接口文档")
                .build();
    }
}
